body {
            background-color: #050507;
            color: #FFFFFF;
        }
        .code-stream {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: 0;
            opacity: 0.05;
            font-family: 'JetBrains Mono', monospace;
            font-size: 0.75rem;
            line-height: 1.2;
            color: #00F0FF;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .code-stream span {
            white-space: nowrap;
        }

        .contact-submit-btn[disabled] {
            opacity: 0.78;
            cursor: not-allowed;
        }

        .contact-send-loader {
            width: 15px;
            height: 15px;
            border-radius: 999px;
            border: 2px solid rgba(0, 240, 255, 0.24);
            border-top-color: #00f0ff;
            animation: contactSpin 0.78s linear infinite;
            display: inline-block;
            flex: 0 0 auto;
        }

        @keyframes contactSpin {
            to {
                transform: rotate(360deg);
            }
        }

        .contact-toast-stack {
            position: fixed;
            right: 18px;
            bottom: 18px;
            z-index: 120;
            display: flex;
            flex-direction: column;
            gap: 10px;
            pointer-events: none;
        }

        .contact-toast {
            min-width: 250px;
            max-width: min(360px, calc(100vw - 28px));
            padding: 11px 13px;
            border-radius: 10px;
            border: 1px solid;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            box-shadow: 0 16px 34px rgba(0, 0, 0, 0.33);
            font-size: 0.86rem;
            line-height: 1.45;
            transform: translateY(0);
            opacity: 1;
            transition: opacity 0.22s ease, transform 0.22s ease;
        }

        .contact-toast--success {
            background: linear-gradient(150deg, rgba(7, 39, 56, 0.9), rgba(14, 44, 69, 0.84));
            border-color: rgba(0, 240, 255, 0.45);
            color: #d9f4ff;
        }

        .contact-toast--error {
            background: linear-gradient(150deg, rgba(61, 16, 26, 0.9), rgba(47, 10, 18, 0.86));
            border-color: rgba(255, 94, 121, 0.62);
            color: #ffe3ea;
        }

        .contact-toast--hidden {
            opacity: 0;
            transform: translateY(8px);
        }